from flask import render_template, g, request, jsonify, current_app, session, redirect

from info import db, constants
from info.models import Category, News
from info.modules.profile import profile_blu
from info.utils.common import user_login_data
from info.utils.image_storage import storage, QINIU_DOMIN_PREFIX
from info.utils.response_code import RET


@profile_blu.route("/user_info")
@user_login_data
def user_info():
    user = g.user
    if not user:
        # 用户未登录，重定向到主页
        return redirect('/')

    data = {
        "user_info": user.to_dict(),
    }
    # 渲染模板
    return render_template("news/user.html", data=data)


@profile_blu.route("/base_info", methods=["GET", "POST"])
@user_login_data
def base_info():
    """
    用户基本信息
    1. 获取用户登录信息
    2. 获取到传入参数
    3. 更新并保存数据
    4. 返回结果
    :return:
    """
    # 1. 获取用户登录信息
    user = g.user
    if request.method == "GET":
        data = {"user_info": user.to_dict()}
        return render_template('news/user_base_info.html', data=data)

    # 2， 获取到传入参数(前端参数：signature，nick_name，gender）
    data_dict = request.json
    nick_name = data_dict.get("nick_name")
    gender = data_dict.get("gender")
    signature = data_dict.get("signature")
    if not all([data_dict, nick_name, gender]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数不足")

    if gender not in (["MAN", "WOMAN"]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数不足")

    # 3,更新并保存数据
    user.nick_name = nick_name
    user.signature = signature
    user.gender = gender
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存数据失败")

    # 4,将session中保存的数据进行实时更新
    session["nick_name"] = nick_name

    # 5,返回响应
    return jsonify(errno=RET.OK, errmsg="更新成功")


@profile_blu.route("/pic_info", methods=["GET", "POST"])
@user_login_data
def pic_info():
    user = g.user
    if request.method == "GET":
        data = {"user_info": user.to_dict()}
        return render_template('news/user_pic_info.html', data=data)

    # 1,获取到上传的文件
    try:
        avatar_file = request.files.get("avatar").read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="读取头像文件出错")

    # 2.再将文件上传到七牛云
    try:
        url = storage(avatar_file)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传七牛云错误")

    # 3，将头像信息更新到当前用户的模型中

    # 设置用户模型相关数据
    user.avatar_url = url
    # 将数据保存到数据库
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存用户数据错误")

    # 4。返回上传的结果（avatar_url)
    return jsonify(errno=RET.OK, errmsg="OK", data={"avatar_url": QINIU_DOMIN_PREFIX + url})



@profile_blu.route("/pass_info",methods=["GET","POST"])
@user_login_data
def pass_info():
    if request.method =="GET":
        return render_template("news/user_pass_info.html")

    #1.获取到传入参数
    data_dict = request.json
    old_password = data_dict.get("old_password")
    print("old_password:%s" % old_password)
    new_password = data_dict.get("new_password")

    if not all([old_password,new_password]):
        return jsonify(errno=RET.PARAMERR,errmsg="参数不足")

    #2.获取当前登录用户的信息
    user= g.user

    if not user.check_passowrd(old_password):
        return jsonify(errno=RET.PWDERR,errmsg="原密码错误")

    #更新数据（如果原密码正确的话）
    user.password = new_password
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR,errmsg= "保存数据失败")

    return jsonify(errno=RET.OK,errmsg="保存成功")

#用户新闻收藏视图函数
@profile_blu.route("/collection")
@user_login_data
def user_collection():

    #1,获取页数
    p = request.args.get("p")
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    user = g.user
    collections = []
    current_page = 1
    total_page = 1
    try:
        #进行分页数据查询
        paginate = user.collection_news.paginate(p,constants.USER_COLLECTION_MAX_NEWS,False)
        #获取分页数据
        collections= paginate.items
        #获取当前页
        current_page= paginate.page
        #获取总页数
        total_page= paginate.pages

    except Exception as e:
        current_app.logger.error(e)

    #收藏列表
    collection_dict_li = []
    for news in collections:
        collection_dict_li.append(news.to_basic_dict())

    data = {"total_page":total_page,"current_page":current_page,"collections":collection_dict_li}
    return render_template("news/user_collection.html",data =data)


@profile_blu.route("/news_release",methods=["POST","GET"])
@user_login_data
def news_release():

    categories = []
    try:
        #获取所有的分类数据
        categories = Category.query.all()
    except Exception as e:
        current_app.logger.error(e)

    #定义列表保存分类数据
    categories_dicts = []

    for category in categories:
        #获取字典
        cate_dict = category.to_dict()
        print("cate_dict: %s" %cate_dict)
        #拼接内容
        categories_dicts.append(cate_dict)
        print("categories_dicts: %s" % categories_dicts)

    #移除最新分类
    categories_dicts.pop(0)

    #返回内容
    if request.method=="GET":

        return render_template("news/user_news_release.html",data = {"categories":categories_dicts})

    #post提交，执行发布新闻操作
    #1，获取要提交的数据
    title = request.form.get("title")
    source = "个人发布"
    digest = request.form.get("digest")
    content = request.form.get("content")
    index_image= request.files.get("index_image")
    category_id = request.form.get("category_id")

    #1.1判断数据是否有值
    if not all([title,source,digest,content,index_image,category_id]):
        print("title:%s " % title)
        print("source:%s" % source)
        print("digest:%s" % digest)
        print("content:%s" % content)
        print("index_image:%s" % index_image)
        print("category_id:%s" % category_id)
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    #1.2 尝试读取图片
    try:
        index_image = index_image.read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="读取图片错误")

    #2.将图片上传到七牛云
    try:
        key = storage(index_image)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno= RET.THIRDERR,errmsg="上传图片错误")

    #3.初始化新闻模型，并设置相关数据
    news = News()
    news.title = title
    news.digest = digest
    news.source = source
    news.content= content
    news.index_image_url= constants.QINIU_DOMIN_PREFIX + key
    news.category_id= category_id
    news.user_id = g.user.id
    #1,代表审核状态
    news.status = 1

    #4,保存到数据库
    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存新闻模型数据失败")
    #5，返回结果
    return jsonify (errno=RET.OK, errmsg="发布成功，等待审核")



@profile_blu.route("/news_list")
@user_login_data
def news_list():

    #获取页数
    p = request.args.get("p",1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    user = g.user
    news_li = []
    current_page = 1
    total_page = 1
    try:
        paginate = News.query.filter(News.user_id==user.id).paginate(p,constants.USER_COLLECTION_MAX_NEWS,False)
        #   获取当前页数据
        news_li = paginate.items
        #获取当前页
        current_page = paginate.page
        #获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_page.logger.error(e)

    news_dict_li = []

    for news_item in news_li:
        news_dict_li.append(news_item.to_review_dict())
    data = {"news_list":news_dict_li,"total_page":total_page,"current_page":current_page}
    return render_template("news/user_news_list.html", data = data )








































